Sudoku #h781

Sudoku game, level: Hard #781. This Sudoku have 27 given numbers (clues)..
Structure: 6 (0 pcs.), 7 (2 pcs.), 9 (2 pcs.), 1 (3 pcs.), 2 (3 pcs.), 4 (3 pcs.), 5 (3 pcs.), 8 (5 pcs.), 3 (6 pcs.), ∑27.


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8
5
3
9
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7
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3
9
8
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8
3
5
4
1
3
7
1
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